1 files changed, 35 insertions, 0 deletions
diff --git a/src/libgit2/diff_xdiff.h b/src/libgit2/diff_xdiff.h
new file mode 100644
index 000000000..9b303e9dc
--- /dev/null
+++ b/src/libgit2/diff_xdiff.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_diff_xdiff_h__
+#define INCLUDE_diff_xdiff_h__
+
+#include "common.h"
+
+#include "diff.h"
+#include "xdiff/xdiff.h"
+#include "patch_generate.h"
+
+/* xdiff cannot cope with large files.  these files should not be passed to
+ * xdiff.  callers should treat these large files as binary.
+ */
+#define GIT_XDIFF_MAX_SIZE (INT64_C(1024) * 1024 * 1023)
+
+/* A git_xdiff_output is a git_patch_generate_output with extra fields
+ * necessary to use libxdiff.  Calling git_xdiff_init() will set the diff_cb
+ * field of the output to use xdiff to generate the diffs.
+ */
+typedef struct {
+	git_patch_generated_output output;
+
+	xdemitconf_t config;
+	xpparam_t    params;
+	xdemitcb_t   callback;
+} git_xdiff_output;
+
+void git_xdiff_init(git_xdiff_output *xo, const git_diff_options *opts);
+
+#endif